diff --git a/src/history.c b/src/history.c
index cd536074..59d83fae 100644
--- a/src/history.c
+++ b/src/history.c
@@ -528,7 +528,7 @@ void update_poshistory(char *filename, ssize_t lineno, ssize_t xpos)
 	poshiststruct *posptr, *theone, *posprev = NULL;
 	char *fullpath = get_full_path(filename);
 
-	if (fullpath == NULL || fullpath[strlen(fullpath) - 1] == '/') {
+	if (fullpath == NULL || *filename == '\0') {
 		free(fullpath);
 		return;
 	}